"The newest thriller in the #1 New York Times, #1 Wall Street Journal, and #1 Publishers Weekly bestselling series! Across Europe, a secret organization has begun attacking diplomats. Back in the United States, a foreign ally demands the identity of a highly placed covert asset. In the balance hang the ingredients for all-out war. With his mentor out of the game, counterterrorism operative Scot Harvath must take on the role he has spent his career...